(462 ) 
3. Gaertneria chenopodifolia (Benth.) 
Franseria chenopodifolia Benth. Bot. Sulph. 26. 1844. 
Type locality: “Bay of Magdalena.” 
Distribution: On the south slopes of hills at Tia Juana, and 
extending southward into Lower California. Lower Sonoran. 
Specimens examined: Tia Juana, Abrams 3476. 
4. GAERTNERIA ILIcIFOLIA (A. Gray) Kuntze, Rev. Gen. Pl. 1: 
339. 1891. 
Franseria ilicifolia A. Gray, Proc. Am. Acad. 11: 77. 1876. 
Type locality: “Great Canyon of the Tantillas Mountains, 
near the northern border of Lower California.” 
Distribution: Colorado Desert along the southern border of 
the State, extending southward on the desert slopes of Lower 
California. Lower Sonoran. 
Specimens examined: Signal Mountain, Abrams 3184. 
ASTERACEAE. Aster Famity. 
Anthers not caudate at base. 
Receptacle naked. 
Pappus of capillary-bristles, except Gutierrezia; involucral bract not 
scarious-margined. 
Involucral bracts imbricated. 
Involucral bracts striate; style-branches thickened above, 
stigmatic only below the middle. 1. Eupatorieae. 
Involucral bracts not striate; style-branches with flattened 
terminal appendages, stigmatic to above the middle. 
2. Astereae. 
Involucral bracts in 1 or 2 series, not imbricated, except Lepido- 
spartum; style-branches stigmatic to the summit. 
6. Senecioneae. 
Pappus not of capillary-bristles; involucral bracts imbricated, 
scarious-margined. 5. Anthemideae. 
Receptacle with chaffy bracts. 4. Heliantheae. 
Anthers caudate at base. 3. Inuleae. 
TrisE 1. LEupatorieae. 
Achenes 5-angled or 5-ribbed. 
Achenes 10-nerved. 
Lan] 
. Hofmeisterta. 
. Coleosanthus. 
iS) 
TRIBE 2. Astereae. 
Rays present, yellow. 
Pappus of several short scales; heads small; slender, suffrutescent plants. 
3. Gutierrezia. 
